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How do you rename a table in SQLite 3.0?
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Best way to create an empty map in Java
...at kind of Map is needed (this is called type inference). For example, consider a method declared like this:
public void foobar(Map<String, String> map){ ... }
When passing the empty Map directly to it, you have to be explicit about the type:
foobar(Collections.emptyMap()); ...
How to fix Error: listen EADDRINUSE while using nodejs?
...blindly killing all active processes.
In that case, first get the process ID (PID) of the process running on that port (say 8888):
lsof -i tcp:8888
This will return something like:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 57385 You 11u IPv6 0xac745b2...
How do I change tab size in Vim?
...as to how to set things up, you'll need to read Vim docs on tabstop, shiftwidth, softtabstop and expandtab. The most interesting bit is found under expandtab (:help 'expandtab):
There are four main ways to use tabs in Vim:
Always keep 'tabstop' at 8, set 'softtabstop' and 'shiftwidth' to 4 (or 3 o...
Find unused npm packages in package.json
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Didn't work for me. It listed all the packages as unused.
– dev27
May 20 '19 at 22:20
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What is float in Java?
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Correct mime type for .mp4
...
According to RFC 4337 § 2, video/mp4 is indeed the correct Content-Type for MPEG-4 video.
Generally, you can find official MIME definitions by searching for the file extension and "IETF" or "RFC". The RFC (Request for Comments) articles published by th...
You have already activated X, but your Gemfile requires Y
...atest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one of the original Bundler developers) explains it all in this blog post.
To avoid typing bundle exec ... all the time, you could set up an alias or function in yo...
How to apply bindValue method in LIMIT clause?
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would be cool if someone provided the explanation why this is so...from a design/security (or other) standpoint.
– Ross
Sep 25 '12 at 0:23
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How to remove origin from git repository
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